1506400604 has 12 divisors (see below), whose sum is σ = 2637481224. Its totient is φ = 752834544.

The previous prime is 1506400603. The next prime is 1506400633. The reversal of 1506400604 is 4060046051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506400603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82067 + ... + 98730.

It is an arithmetic number, because the mean of its divisors is an integer number (219790102).

Almost surely, 2^1506400604 is an apocalyptic number.

It is an amenable number.

1506400604 is a deficient number, since it is larger than the sum of its proper divisors (1131080620).

1506400604 is a wasteful number, since it uses less digits than its factorization.

1506400604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182884 (or 182882 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1506400604 is about 38812.3769434442. The cubic root of 1506400604 is about 1146.3401238388.

Adding to 1506400604 its reverse (4060046051), we get a palindrome (5566446655).

The spelling of 1506400604 in words is "one billion, five hundred six million, four hundred thousand, six hundred four".